Inspection system for edges of glass

G - Physics – 01 – N

Patent

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Details

G01N 21/896 (2006.01) G01N 21/958 (2006.01)

Patent

CA 2408183

An inspection system for the edge of a sheet of glass e.g. automobile glass. The system has at least one laser, with the laser beam directed at the edge of the glass. Light reflected from the edge is recorded e.g. with a camera. The path length from the laser to the glass edge and back to the camera is maintained constant as the glass moves through the apparatus.

L'invention concerne un système d'inspection pour des bords de verre, notamment des feuilles de verre comme par exemple des vitres d'automobile. Ce système comprend au moins un laser dont le faisceau est dirigé sur le bord du verre. La lumière réfléchie par le bord est enregistrée, notamment par une caméra. La longueur de la trajectoire parcourue par le laser pour aller jusqu'au bord et revenir jusqu'à la caméra reste constante tout au long du déplacement du verre à travers l'appareil.

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